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From: Hsin Hui Lin <ehh...@gmail.com>
Date: 18 May 2018 at 11:33
Subject: Parasites and bacteria may be lurking in hotel pools
To: Lan Hai Lin <lannyl...@hotmail.com>, Kanniya <pieris.kann...@gmail.com>

Parasites and bacteria may be lurking in hotel pools, hot tubs, CDC warns

*By Susan Scutti, CNN*

Updated 1702 GMT (0102 HKT) May 17, 2018

*[image: crypto parasite pool cdc warning pkg_00010512]*


*CDC warns of swimming pool parasite (2015)*



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CDC warns of swimming pool parasite (2015) 01:27

Story highlights

·        493 disease outbreaks linked to treated recreational water were
reported in the US over 15 years

·        These outbreaks caused at least 27,219 illnesses and eight deaths

*(CNN)*Hotels set the stage for nearly a third of all diseaseoutbreaks in
the United States linked to chlorinated or treated water -- such as pools
and hot tubs -- between 2000 and 2014, according to a new government
report. During that 15-year period, a total of 493 outbreaks linked to
treated recreational water were reported in 46 states and Puerto Rico, the
report indicates.

The report defines an outbreak as similar illnesses occurring in two or
more people that are linked by location and time to a particular body of
treated water.

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[image: Pool party poopers: CDC warns of parasitic infection, toxic gas]

Pool party poopers: CDC warns of parasitic infection, toxic gas

All told, these outbreaks caused at least 27,219 illnesses and eight
deaths, according to the US Centers for Disease Control and Prevention's
Thursday Morbidity and Mortality Weekly Report

The culprits: parasites and bacteria. More than half (58%) of the outbreaks
with a confirmed source were caused by the parasite Cryptosporidium,
commonly called Crypto, which can survive even in well-maintained pools and
can give swimmers gastrointestinal illness and diarrhea.

At least six of the eight deaths and 16% of the illnesses could be
attributed to bacterial Legionella, which causes Legionnaires' disease, a
severe pneumonia, and Pontiac fever, a milder flu-like illness.

'Don't drink the water'

Another type of bacteria, Pseudomonas, which can cause folliculitis ("hot
tub rash") and otitis externa ("swimmers' ear"), sickened nearly 13% of
those enjoying recreational waters.

Both Legionella and Pseudomonas can withstand disinfectants.

What's a swimmer or parent of swimmers to do?

"The advice is pretty standard no matter who you are," said Michele Hlavsa,
lead author of the report and chief of the CDC's Healthy Swimming Program.
"Once in the water, don't drink the water you swim in."

Still, she added that, even though this simple step can protect you against
some germs, it does not protect you against everything in recreational

"Also, before you get into the water, check out the inspection scores,"
Hlavsa said. Just like restaurants, public swimming pools are scored by
inspectors, and many will post their scores either online or near the
swimming facility itself.

[image: Drinking water blamed in hundreds of illnesses, 13 deaths, CDC

Drinking water blamed in hundreds of illnesses, 13 deaths, CDC reports

Hlavsa, herself a mom, advocates for do-it-yourself water testing as well.
After all, hotels, community pools and recreational hot spots probably are
not checking their water every day, and pool chemistry changes all the
time. Pool supply stores and big box stores sell inexpensive test strips,
which test for chlorine and pH, she says. If levels are unsafe, as
indicated on the CDC website
don't swim.

As expected, more than half (56%) of all outbreaks happened from June
through August, the CDC reports. When the sun heats the water, germs can

'Basic hygiene' is prescribed

Annual outbreaks caused by Legionella increased by 13% over the 15-year
study period. However, Crypto and Pseudomonas present something of a silver

While outbreaks caused by crypto increased 25% a year during 2000-06, the
upward trend stopped after that, Hlavsa said. "Still, we saw a doubling of
Crypto outbreaks for the single year 2016," she said. Meanwhile, the annual
number of Pseudomonas folliculitis outbreaks decreased by an average of 22%
per year.

Finally, two out of every 10 routine inspections of public hot tubs or spas
during a single year (2013) -- about 2,773 of the total 13,864 inspections
-- indicated improper concentrations of disinfectant, according to the
report authors.

"Any child or adult having diarrhea should simply not be in a pool, hot tub
or water playground," said Dr. Robert Glatter, an emergency physician at
Lenox Hill Hospital in New York.

Glatter, who was not involved in the report, added that when it comes to
Crypto, most people with a healthy immune system will not require treatment
even if they become sick.

In some cases, supportive care, including plenty of fluids plus medication
to treat nausea as needed, will be enough. In other cases, especially
involving people who are immunocompromised, they may need treatment such as
an antiparasitic medication, Glatter said.

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"The message is simple: Keep your children out of the pool or hot tub if
they are having diarrhea. We are talking about preventing an illness by
prescribing basic hygiene," Glatter said. "If Crypto is confirmed, it's
essential to remain out of the water for two weeks."

Hlavsa said the new report is simply an opportunity to get the message out:
Check and test the water before diving in, and never drink it: "We are by
no means saying not to swim."

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